ATI Radeon HD 2900 XTX vs ATI FirePro V7770

VS

ATI Radeon HD 2900 XTX

ATI FirePro V7770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 1024MB VRAM FirePro V7770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 33.60GB/s)

ATI FirePro V7770 's Advantages

More VRAM (1024GB vs 512GB)

480 additional rendering cores

Lower TDP (76W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

FirePro V7770 +110%

1 TFLOPS

Radeon HD 2900 XTX

VS

FirePro V7770

Graphics Card

Unknown

Release Date

Jan 2012

Radeon R600

Generation

FirePro

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR4

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

33.60GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

16

ROPs

8

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

5.000 GPixel/s

11.89 GTexel/s

Texture Rate

25.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

1000 GFLOPS

-

Board Design

240W

TDP

76W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

RV770

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

RV770 XT (215-0669049)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.956 billion

420 mm²

Die Size

256 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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